the angry questions directed at chuck hagel. an explosion in mex stow city at a major oil company leaves more than a dozen dead. world tonight is next. you're on timeout leo! some things won't last 25 years. ah! woof! some things will. some things won't last 25 years. ah! woof! some things will. >>> it was a grilling on capitol hill today. pointed questions for president obama's phenomenon knee for secretary of defense. and many of those questions came from the nominee's own party. >> janelle wang is here with our world tonight. janelle. >> former february nebraska senator chuck hagel hammered today at his senate confirmation hearing. one of the most heated exchanges came from his former friends senator john mccain who grilled hagel on his opposition to the 2007 surge of u.s. forces into iraq. >> deserves your judgment as to whether you were right or wrong about the surge. >> i'll explain why i made those comments. >> i want to know if you were right or wrong. that's a direct question. i expect a direct answer. >> hagel said it